What is the name of the father?

here comes today’s challenge. You can find it in the image below.

What an interesting question. Can you guess the answer?

If you can’t, check below.

A

B

C

ANSWER: 

The trick is in the wording.
It says:

“If the mother’s name is 57…”

So the mother’s name is literally 57.
Likewise:

Son’s name = 47

Daughter’s name = 37

Then the last sentence asks:

“What is the name of continue reading …